add the function that can return skins e.t.c.
objects for the player information check
add the optional tags for legecy and demo
implementation of the player information request
not a getter really
split fetches up
skin URL is optional (demo accounts)
change session checks to GET without payload and fix parsing
remove dump
capitals matter
test cases for fetching player information
Merge pull request #1 from Eluinhost/features/player-information

Add the session server player information API